Hebrews 7:23

And the others, truly, were many priests because they were not able to continue by reason of death:

1 Chronicles 6:3-14

The sons of Amram: Aaron, Moses, and Miriam. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.

Nehemiah 12:10-11

And Jeshua begat Joiakim, Joiakim begat Eliashib, and Eliashib begat Joiada,

Hebrews 7:8

In the same manner, here men that die take tithes; but there he received them, of whom it is witnessed that he lives.

Treasury of Scripture Knowledge

Summary

And they truly were many priests, because they were not suffered to continue by reason of death:

General references

Bible References

Were

Hebrews 7:8
In the same manner, here men that die take tithes; but there he received them, of whom it is witnessed that he lives.
1 Chronicles 6:3
The sons of Amram: Aaron, Moses, and Miriam. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.
Nehemiah 12:10
And Jeshua begat Joiakim, Joiakim begat Eliashib, and Eliashib begat Joiada,

General references

Numbers 20:26
and cause Aaron to be stripped of his garments and put them upon Eleazar, his son; for Aaron shall be gathered unto his people and shall die there.
Zechariah 1:5
Your fathers, where are they? and the prophets, do they live for ever?